Tillage Radish® Resource Guide - Cover Crop Solutions

TILLAGE SUNNTillage Sunn makes the benefits of Sunn Hemp more widely available in North AmericaVegetable growers appreciate the natural nematode suppressionand warm weather nitrogen production of Tillage Sunn. The short8-week growth window fits into many crop rotations, depending onthe individual grower program. Tillage Sunn adds up to 2.5 tonsper acre of biomass, which is especially helpful in sandy soils.Sugar cane growers can rejuvenate soil following sugar caneharvest by planting Tillage Sunn in the spring to early summer.Small grain growers can restore N following harvest by plantingTillage Sunn. The warm season legume produces nitrogen in theroot zone. Tillage Sunn grows quickly and achieves peak benefitpotential after 8 weeks growth in warm weather, based on conditions.Corn silage growers in warmer growing zones fight pigweed, achallenging weed and prolific seed producer that is hard to control.Tillage Sunn planted as a cover crop immediately following cornsilage harvest grows fast and can help suppress pigweed by shadingit out with its tall growth habit and dense foliage. An annual programbased on planting Tillage Sunn immediately following corn silageharvest can help reduce pigweed over time while adding nitrogen,large amounts of biomass, and good soil cover on an annual basis.Other uses benefit from Tillage Sunn based on its rapid growth,large biomass, warm weather nitrogen production, nematodesuppression, and effectiveness as a ground cover when rolled down.Tillage Sunn is killed with the first killing frost.KEY FACTS AND CULTIVATION TIPS• Tillage Sunn is proven to suppress nematodes• Tillage Sunn requires an inoculant; a cowpea type is recommended• Control (terminate) at first flower for maximum benefit, and beforeit becomes fibrous and difficult to manage• Produces significant amounts of nitrogen within 60 days,depending on conditions• Tillage Sunn is Crotalaria juncea L. and is unrelated to theCannabis family. It is legal to grow in all 50 states.PLANTING TIPS & SEEDING RATEPlanting: Anytime after the last threat of spring frost.For maximum benefit, plant a minimum of 8 weeks beforeaverage first frost in the fall.Seeding Depth: 0.5” - 1” as required for good seed-to-soilcontact with adequate moisture present on a weed-free seed bed.Soil pH 5.5 to 7.5Seeding Rate:- Drilling (7.5” rows): 15 lbs/acre- Broadcast / Aerial: Not recommended- Precision Planting (15” row with 4” in-row): 9 lbs/acre(30” row with 4” in-row): 5 lbs/acre(Kinze Brush Meter with Backing Plate - 60 Cell Sugar Beet Plate)Suggested source for after market backing plate:Larry Hak 419-749-4021Control: Control (terminate) at first flower for maximum benefit,and before it becomes fibrous and difficult to manage.1-800-767-9441 27 CoverCropSolutions.com